#030A23#030A23

#030A23 is a very dark, muted blue. Relative luminance 0.004; OKLCH L 15.6% C 0.054 H 265.0°. Best body text is #FFFFFF at 19.60:1 contrast (WCAG AA passes).

Color values

HEX	#030A23
RGB	rgb(3, 10, 35)
HSL	hsl(227, 84%, 7%)
HSV	hsv(227, 91%, 14%)
CMYK	cmyk(91.4%, 71.4%, 0%, 86.3%)
CIE-LAB	lab(3.23, 4.48, -16.19)
CIE-LCH	lch(3.23, 16.80, 285.48°)
OKLab	oklab(15.56% -0.0048 -0.0541)
OKLCH	oklch(15.56% 0.054 265)
XYZ	xyz(0.4494, 0.3577, 1.6352)
Luminance	0.0036 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 8.13

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#030A23 #231C03

analogous

#031A23 #030A23 #0C0323

triadic

#030A23 #23030A #0A2303

tetradic

#030A23 #23031A #231C03 #03230C

square

#030A23 #23031A #231C03 #03230C

split-complementary

#030A23 #230C03 #1A2303

monochromatic

#02081C #02081C #030A23 #081A5B #0D2A94

Accessibility & contrast

On white

19.60

#030A23 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.07

#030A23 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #030A23

19.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##030A23	#FFFFFF	#000000	##FFFFFF
##030A23	1.00	19.60	1.07	19.60
#FFFFFF	19.60	1.00	21.00	1.00
#000000	1.07	21.00	1.00	21.00
##FFFFFF	19.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#000D24

Deuteranopia (green-blind)

#000A23

Tritanopia (blue-blind)

#001014

Achromatopsia (no color)

#0C0C0C

Design tokens & code

CSS

--color: #030a23;
/* rgb */ color: rgb(3, 10, 35);
/* oklch */ color: oklch(15.6% 0.054 265.0);

Tailwind

colors: {
  custom: {
    50: '#484b5e',
    500: '#030a23',
    950: '#000000',
  },
}

SCSS

$custom: #030a23;
$custom-light: #484b5e;
$custom-dark: #000000;

JSON

{
  "hex": "#030a23",
  "rgb": {
    "r": 3,
    "g": 10,
    "b": 35
  },
  "hsl": {
    "h": 226.875,
    "s": 84.211,
    "l": 7.451
  },
  "oklch": {
    "l": 0.15563,
    "c": 0.05427,
    "h": 265
  },
  "luminance": 0.00358
}

Semantic roles & 50–950 ramp

primary

#030A23

secondary

#67561B

accent

#CE2DFA

background

#F4F4F5

surface

#E6E7E9

border

#C2C3C5

text

#000104

muted

#777779

Preview Lab

Preview with #030A23

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →